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4 bucket 67's 1967 GTO

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1976 Formula Transmission


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Hi Guys,

My transmission is noisy, bearings I’m guessing. It is the original trans, it shifts fine and doesn’t slip. I am looking to get it rebuilt and need to know what transmission is in it. I assumed it was a Muncie but saw that GM stopped putting Muncies in cars in 1974. Any ideas? Borg & Warner maybe?

 

Thanks guys, I appreciate any feedback. 

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Saginaw ....If its a manuel trans.

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Posted (edited)

Is this an automatic or manual transmission?

If it is a manual, how many speeds? A 3-speed or a 4-speed?

Edited by Frosty
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It’s a 4 speed manual. 

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I suspect you have a Saginaw M26/M27 4-speed since the Muncie M22 was discontinued by 1974. Pontiac used the Borg-Warner T-10 only behind the 455 starting in 1976. So here is a visual differences between a Muncie, Saginaw, and Borg-Warner cases.

image.thumb.png.a35034a4ffb73fc5eff51406cbba9c5e.png

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Thank you Frosty! I appreciate the info. 

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Happy to help. Let us know what you have.

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